<p [appBgcolor]='color' (click)='cgColor()'>
  directive works!
</p>

<p *ngHide='hide'>this is a p for structual-directives</p>

<select name="" id="">
    <ng-container *range="[10,20];let num">
        <option [value]="num">{{num}}</option>
    </ng-container>
</select>
